biology class 9 chapter 10 mcqs

Chapter 10: Reproduction in Plants—100MCQs

Section A: Basics of Reproduction

1. Which of the following is not a type of asexual reproduction in plants?
   a) Budding
   b) Grafting
   c) Fragmentation
   d) Pollination
   Answer: d

2. Reproduction that requires only one parent and no gamete formation is called
   a) Fertilization
   b) Asexual reproduction
   c) Sexual reproduction
   d) Conjugation
   Answer: b

3. The main advantage of asexual reproduction is
   a) Variation in offspring
   b) Genetic diversity
   c) Rapid population growth
   d) Complex process
   Answer: c

4. In which of the following methods is the new plant genetically identical to the parent?
   a) Pollination
   b) Spore formation
   c) Seed germination
   d) Fertilization
   Answer: b

5. Which of the following is an artificial method of asexual reproduction?
   a) Budding
   b) Layering
   c) Fragmentation
   d) Spore formation
   Answer: b

Section B: Asexual Reproduction

6. Which plant part is used in vegetative propagation of potatoes?
   a) Leaf
   b) Root
   c) Stem tuber
   d) Flower
   Answer: c

7. The process by which algae reproduce by breaking into smaller fragments is called:
   a) Budding
   b) Spore formation
   c) Fragmentation
   d) Grafting
   Answer: c

8. Yeast reproduces asexually by:
   a) Budding
   b) Spores
   c) Conjugation
   d) Binary fission
   Answer: a

9. Spore formation is commonly observed in:
   a) Rose
   b) Fern
   c) Mango
   d) Guava
   Answer: b

10. Which plant reproduces by leaf buds?
    a) Potato
    b) Ginger
    c) Bryophyllum
    d) Onion
    Answer: c

Section C: Sexual Reproduction

11. The process of fusion of male and female gametes is known as
    a) Germination
    b) Fertilization
    c) Propagation
    d) Hybridization
    Answer: b

12. Flowers are the reproductive organs of
    a) Algae
    b) Fungi
    c) Angiosperms
    d) Ferns
    Answer: c

13. Which part of the flower produces pollen grains?
    a) Pistil
    b) Anther
    c) Ovary
    d) Stigma
    Answer: b

14. Ovules are present inside the:
    a) Anther
    b) Sepals
    c) Ovary
    d) Petals
    Answer: c

15. The transfer of pollen from anther to stigma is called:
    a) Germination
    b) Fertilization
    c) Pollination
    d) Budding
    Answer: c

Section D: Pollination

16. Which of the following is an agent of pollination?
    a) Wind
    b) Water
    c) Insects
    d) All of the above
    Answer: d

17. Cross-pollination occurs between
    a) Same flower
    b) Same plant
    c) Different plants of the same species
    d) Different species
    Answer: c

18. Which of the following helps in insect pollination?
    a) Bright petals
    b) Fragrance
    c) Nectar
    d) All of these
    Answer: d

19. Which structure grows into a seed after fertilization?
    a) Ovary
    b) Anther
    c) Ovule
    d) Stigma
    Answer: c

20. The process of forming fruit without fertilization is called
    a) Grafting
    b) Parthenocarpy
    c) Hybridization
    d) Polyembryony
    Answer: b

Section E: Fertilization and Seed Formation (21–40)

21. Double fertilization is a feature of:
    a) Algae
    b) Gymnosperms
    c) Angiosperms
    d) Fungi
    Answer: c

22. Which part of the seed develops into the root?
    a) Cotyledon
    b) Plumule
    c) Epicotyl
    d) Radicle
    Answer: d

23. What does the ovary develop into after fertilization?
    a) Seed
    b) Fruit
    c) Flower
    d) Root
    Answer: b

24. The fertilized ovule becomes:
    a) Ovary
    b) Seed
    c) Flower
    d) Embryo sac
    Answer: b

25. Which part of the embryo develops into the shoot?
    a) Radicle
    b) Cotyledon
    c) Plumule
    d) Testa
    Answer: c

26. The function of cotyledons is to:
    a) Reproduce
    b) Carry pollen
    c) Store food
    d) Make chlorophyll
    Answer: c

27. The outer covering of a seed is known as:
    a) Epicarp
    b) Seed coat
    c) Endosperm
    d) Embryo
    Answer: b

28. Which of the following fruits develop from a single ovary?
    a) Apple
    b) Mango
    c) Strawberry
    d) Pineapple
    Answer: b

29. In which of these is parthenocarpy naturally observed?
    a) Banana
    b) Apple
    c) Tomato
    d) Mango
    Answer: a

30. Which of these is essential for fertilization?
    a) Sunlight
    b) Water
    c) Pollination
    d) Vegetative propagation
    Answer: c

31. The pollen tube enters the ovule through:
    a) Micropyle
    b) Hilum
    c) Funicle
    d) Chalaza
    Answer: a

32. What is the function of the pollen tube?
    a) Protects the pollen
    b) Stores food
    c) Transfers male gamete to ovule
    d) Forms petals
    Answer: c

33. A seed is said to be monocot if it has:
    a) Two cotyledons
    b) One cotyledon
    c) Three cotyledons
    d) No cotyledon
    Answer: b

34. Germination requires all of the following except:
    a) Light
    b) Water
    c) Oxygen
    d) Warmth
    Answer: a

35. What triggers seed germination?
    a) Flowering
    b) Dormancy
    c) Water absorption
    d) Photosynthesis
    Answer: c

36. Which structure in the flower is sticky to catch pollen?
    a) Anther
    b) Ovule
    c) Stigma
    d) Style
    Answer: c

37. Which of the following flowers is unisexual?
    a) Hibiscus
    b) Papaya
    c) Mustard
    d) Sunflower
    Answer: b

38. Zygote is formed after:
    a) Germination
    b) Fertilization
    c) Pollination
    d) Budding
    Answer: b

39. The process by which seed begins to grow is:
    a) Fertilization
    b) Germination
    c) Pollination
    d) Fusion
    Answer: b

40. In cross-pollination, pollen reaches the stigma of:
    a) Same flower
    b) Same plant
    c) Another plant of same species
    d) Another species
    Answer: c

Section F: Vegetative Propagation (41–60)

41. Which plant can reproduce from its roots?
    a) Sugarcane
    b) Sweet potato
    c) Rose
    d) Onion
    Answer: b

42. Ginger reproduces through:
    a) Bulb
    b) Tuber
    c) Rhizome
    d) Corm
    Answer: c

43. Which of these is propagated by bulb?
    a) Ginger
    b) Onion
    c) Dahlia
    d) Potato
    Answer: b

44. Which is not a method of vegetative propagation?
    a) Stem cutting
    b) Grafting
    c) Budding
    d) Pollination
    Answer: d

45. Which method is used to grow sugarcane commercially?
    a) Seeds
    b) Stem cutting
    c) Leaves
    d) Budding
    Answer: b

46. Bryophyllum reproduces by:
    a) Leaves
    b) Roots
    c) Flowers
    d) Seeds
    Answer: a

47. Banana is commonly propagated by:
    a) Seeds
    b) Bulbs
    c) Rhizomes
    d) Leaf cutting
    Answer: c

48. Which of the following is artificially done by humans?
    a) Budding
    b) Fragmentation
    c) Layering
    d) Binary fission
    Answer: c

49. The term used for growing a new plant from a part of another plant is:
    a) Fertilization
    b) Hybridization
    c) Vegetative propagation
    d) Budding
    Answer: c

50. Which part of Dahlia is used for propagation?
    a) Leaves
    b) Flowers
    c) Tubers
    d) Roots
    Answer: d

51. What is the main limitation of asexual reproduction?
    a) Speed
    b) Lack of variation
    c) Need for two parents
    d) Insects needed
    Answer: b

52. Plants grown by vegetative propagation:
    a) Take longer to mature
    b) Don’t bear flowers
    c) Are genetically identical
    d) Are smaller
    Answer: c

53. Which of these helps in natural vegetative reproduction?
    a) Stem tubers
    b) Leaf buds
    c) Rhizomes
    d) All of these
    Answer: d

54. What is grafting used for?
    a) Combining traits of two plants
    b) Speeding pollination
    c) Preventing infection
    d) Stimulating flowering
    Answer: a

55. A bulb is a modified:
    a) Root
    b) Leaf
    c) Stem
    d) Flower
    Answer: c

56. Which of these cannot be reproduced vegetatively?
    a) Mango
    b) Potato
    c) Ginger
    d) Onion
    Answer: a

57. Which one is a monocot plant propagated by corm?
    a) Gladiolus
    b) Rose
    c) Marigold
    d) Jasmine
    Answer: a

58. Which plant reproduces using suckers?
    a) Onion
    b) Mint
    c) Potato
    d) Bryophyllum
    Answer: b

59. What is the underground stem of turmeric called?
    a) Corm
    b) Bulb
    c) Rhizome
    d) Tuber
    Answer: c

60. In grafting, which part of the plant is joined to another?
    a) Scion to rootstock
    b) Leaf to flower
    c) Root to shoot
    d) Fruit to branch
    Answer: a

Section G: Miscellaneous & Conceptual MCQs (61–100)

61. Which of the following plants reproduce through spores?
    a) Ferns
    b) Roses
    c) Mango
    d) Banana
    Answer: a

62. Which process ensures variation in offspring?
    a) Asexual reproduction
    b) Vegetative propagation
    c) Sexual reproduction
    d) Grafting
    Answer: c

63. The embryo in the seed is formed from:
    a) Ovule
    b) Ovary
    c) Zygote
    d) Pollen grain
    Answer: c

64. After fertilization, the flower:
    a) Becomes a seed
    b) Converts into leaf
    c) Withers away
    d) Grows bigger
    Answer: c

65. The correct sequence of events in sexual reproduction is:
    a) Pollination → Germination → Fertilization → Seed formation
    b) Fertilization → Pollination → Seed formation
    c) Germination → Pollination → Fertilization
    d) Pollination → Fertilization → Germination
    Answer: a

66. Pollen grains are produced in the:
    a) Ovule
    b) Ovary
    c) Anther
    d) Style
    Answer: c

67. What does a fruit mainly protect?
    a) Ovary
    b) Ovule
    c) Seed
    d) Petal
    Answer: c

68. Which of these is an example of a unisexual plant?
    a) Watermelon
    b) Papaya
    c) Mustard
    d) Rose
    Answer: b

69. A plant that can produce both male and female gametes in the same flower is called:
    a) Dioecious
    b) Hermaphrodite
    c) Hybrid
    d) Heterotroph
    Answer: b

70. In self-pollination, pollen is transferred to:
    a) A different flower
    b) Another plant
    c) The same flower
    d) Another species
    Answer: c

71. In cross-pollination, the plants must be of:
    a) Different species
    b) Same species
    c) Opposite species
    d) Any plant
    Answer: b

72. In which structure of a flower does fertilization occur?
    a) Stigma
    b) Anther
    c) Ovule
    d) Petal
    Answer: c

73. What provides nourishment to the developing embryo in seed?
    a) Pollen
    b) Ovary wall
    c) Endosperm
    d) Sepals
    Answer: c

74. Which plant produces spores in capsules?
    a) Fern
    b) Mushroom
    c) Moss
    d) Algae
    Answer: c

75. Which of these is not a natural method of vegetative propagation?
    a) Leaf buds
    b) Bulbs
    c) Layering
    d) Tubers
    Answer: c

76. Which structure in a seed helps in attachment to soil during germination?
    a) Cotyledon
    b) Root cap
    c) Radicle
    d) Testa
    Answer: c

77. In which environment is water pollination most common?
    a) Deserts
    b) Mountains
    c) Wetlands
    d) Plains
    Answer: c

78. The growth of pollen tube takes place in:
    a) Ovule
    b) Anther
    c) Style
    d) Sepal
    Answer: c

79. Which method of propagation helps preserve rare species?
    a) Fragmentation
    b) Budding
    c) Tissue culture
    d) Pollination
    Answer: c

80. A true fruit develops from:
    a) Ovary only
    b) Ovule only
    c) Petals
    d) Pollen
    Answer: a

81. Which part connects ovary and stigma?
    a) Anther
    b) Filament
    c) Style
    d) Sepal
    Answer: c

82. Which of these is a dioecious plant?
    a) Papaya
    b) Mustard
    c) Hibiscus
    d) Sunflower
    Answer: a

83. A flower lacking either stamens or pistils is called:
    a) Bisexual
    b) Unisexual
    c) Hermaphrodite
    d) Fertile
    Answer: b

84. Pollination caused by insects is known as:
    a) Hydrophily
    b) Anemophily
    c) Entomophily
    d) Zoophily
    Answer: c

85. Which part of the flower helps attract pollinators?
    a) Ovary
    b) Sepals
    c) Petals
    d) Filament
    Answer: c

86. In wind-pollinated flowers, which of the following is most common?
    a) Bright petals
    b) Nectar
    c) Light pollen grains
    d) Closed flower structure
    Answer: c

87. Which is an example of natural vegetative reproduction from root?
    a) Dahlia
    b) Onion
    c) Sweet potato
    d) Bryophyllum
    Answer: c

88. What is the role of the micropyle in seeds?
    a) Entry point for water
    b) Exit for roots
    c) Location of cotyledon
    d) Germination center
    Answer: a

89. A fruit that develops without seed formation is:
    a) Pollinated fruit
    b) True fruit
    c) Parthenocarpic fruit
    d) Hybrid fruit
    Answer: c

90. Which one is a sexual mode of reproduction?
    a) Budding
    b) Fragmentation
    c) Fertilization
    d) Spore formation
    Answer: c

91. Which helps in dispersal of seeds in dandelions?
    a) Water
    b) Wind
    c) Animals
    d) Explosion
    Answer: b

92. Why is seed dispersal important for plants?
    a) Prevent overcrowding
    b) Promote variation
    c) Increase pollination
    d) Aid photosynthesis
    Answer: a

93. Which is not a method of seed dispersal?
    a) Wind
    b) Water
    c) Pollination
    d) Animals
    Answer: c

94. Seeds with hooks are mostly dispersed by:
    a) Water
    b) Wind
    c) Insects
    d) Animals
    Answer: d

95. Coconut seed disperses through:
    a) Explosion
    b) Wind
    c) Water
    d) Animals
    Answer: c

96. Which part stores food in monocot seeds?
    a) Endosperm
    b) Cotyledon
    c) Radicle
    d) Plumule
    Answer: a

97. Which seed has two cotyledons?
    a) Rice
    b) Wheat
    c) Pea
    d) Maize
    Answer: c

98. Grafting helps in:
    a) Fast germination
    b) Variation
    c) Combining good qualities of two plants
    d) Pollination
    Answer: c

99. Tissue culture is mostly done in:
    a) Open farms
    b) Air
    c) Laboratory
    d) Forests
    Answer: c

100. Which is the male part of the flower?
     a) Pistil
     b) Anther
     c) Stigma
     d) Ovary
     Answer: b